Add our own hook to allow the primary plane to be disabled.
Signed-off-by: Russell King rmk+kernel@arm.linux.org.uk --- drivers/gpu/drm/armada/armada_crtc.c | 99 ++++++++++++++++++++---------------- 1 file changed, 55 insertions(+), 44 deletions(-)
diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c index 328f030ffbdc..7f7f21166488 100644 --- a/drivers/gpu/drm/armada/armada_crtc.c +++ b/drivers/gpu/drm/armada/armada_crtc.c @@ -341,7 +341,7 @@ static void armada_drm_crtc_finish_fb(struct armada_crtc *dcrtc, if (work) { work->old_fb = fb;
- if (armada_drm_plane_work_queue(dcrtc, work) == 0) + if (armada_drm_plane_work_queue(dcrtc, &work->work) == 0) return;
kfree(work); @@ -760,51 +760,13 @@ static int armada_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, return 0; }
-void armada_drm_crtc_plane_disable(struct armada_crtc *dcrtc, - struct drm_plane *plane) -{ - struct armada_plane *dplane = drm_to_armada_plane(plane); - u32 sram_para1, dma_ctrl0_mask; - - /* - * Drop our reference on any framebuffer attached to this plane. - * We don't need to NULL this out as drm_plane_force_disable(), - * and __setplane_internal() will do so for an overlay plane, and - * __drm_helper_disable_unused_functions() will do so for the - * primary plane. - */ - if (plane->fb) - drm_framebuffer_put(plane->fb); - - /* Power down most RAMs and FIFOs if this is the primary plane */ - if (plane->type == DRM_PLANE_TYPE_PRIMARY) { - sram_para1 = CFG_PDWN256x32 | CFG_PDWN256x24 | CFG_PDWN256x8 | - CFG_PDWN32x32 | CFG_PDWN64x66; - dma_ctrl0_mask = CFG_GRA_ENA; - } else { - /* Power down the Y/U/V FIFOs */ - sram_para1 = CFG_PDWN16x66 | CFG_PDWN32x66; - dma_ctrl0_mask = CFG_DMA_ENA; - } - - /* Wait for any preceding work to complete, but don't wedge */ - if (WARN_ON(!armada_drm_plane_work_wait(dplane, HZ))) - armada_drm_plane_work_cancel(dcrtc, dplane); - - spin_lock_irq(&dcrtc->irq_lock); - armada_updatel(0, dma_ctrl0_mask, dcrtc->base + LCD_SPU_DMA_CTRL0); - spin_unlock_irq(&dcrtc->irq_lock); - - armada_updatel(sram_para1, 0, dcrtc->base + LCD_SPU_SRAM_PARA1); -} - /* The mode_config.mutex will be held for this call */ static void armada_drm_crtc_disable(struct drm_crtc *crtc) { - struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc); - armada_drm_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); - armada_drm_crtc_plane_disable(dcrtc, crtc->primary); + + /* Disable our primary plane when we disable the CRTC. */ + crtc->primary->funcs->disable_plane(crtc->primary, NULL); }
static const struct drm_crtc_helper_funcs armada_crtc_helper_funcs = { @@ -1081,7 +1043,7 @@ static int armada_drm_crtc_page_flip(struct drm_crtc *crtc, */ drm_framebuffer_get(fb);
- ret = armada_drm_plane_work_queue(dcrtc, work); + ret = armada_drm_plane_work_queue(dcrtc, &work->work); if (ret) { /* Undo our reference above */ drm_framebuffer_put(fb); @@ -1161,9 +1123,58 @@ static const struct drm_crtc_funcs armada_crtc_funcs = { .disable_vblank = armada_drm_crtc_disable_vblank, };
+void armada_drm_crtc_plane_disable(struct armada_crtc *dcrtc, + struct drm_plane *plane) +{ + struct armada_plane *dplane = drm_to_armada_plane(plane); + u32 sram_para1, dma_ctrl0_mask; + + /* + * Drop our reference on any framebuffer attached to this plane. + * We don't need to NULL this out as drm_plane_force_disable(), + * and __setplane_internal() will do so for an overlay plane, and + * __drm_helper_disable_unused_functions() will do so for the + * primary plane. + */ + if (plane->fb) + drm_framebuffer_put(plane->fb); + + /* Power down most RAMs and FIFOs if this is the primary plane */ + if (plane->type == DRM_PLANE_TYPE_PRIMARY) { + sram_para1 = CFG_PDWN256x32 | CFG_PDWN256x24 | CFG_PDWN256x8 | + CFG_PDWN32x32 | CFG_PDWN64x66; + dma_ctrl0_mask = CFG_GRA_ENA; + } else { + /* Power down the Y/U/V FIFOs */ + sram_para1 = CFG_PDWN16x66 | CFG_PDWN32x66; + dma_ctrl0_mask = CFG_DMA_ENA; + } + + /* Wait for any preceding work to complete, but don't wedge */ + if (WARN_ON(!armada_drm_plane_work_wait(dplane, HZ))) + armada_drm_plane_work_cancel(dcrtc, dplane); + + spin_lock_irq(&dcrtc->irq_lock); + armada_updatel(0, dma_ctrl0_mask, dcrtc->base + LCD_SPU_DMA_CTRL0); + spin_unlock_irq(&dcrtc->irq_lock); + + armada_updatel(sram_para1, 0, dcrtc->base + LCD_SPU_SRAM_PARA1); +} + +static int armada_drm_primary_disable(struct drm_plane *plane, + struct drm_modeset_acquire_ctx *ctx) +{ + if (plane->crtc) { + struct armada_crtc *dcrtc = drm_to_armada_crtc(plane->crtc); + + armada_drm_crtc_plane_disable(dcrtc, plane); + } + return 0; +} + static const struct drm_plane_funcs armada_primary_plane_funcs = { .update_plane = drm_primary_helper_update, - .disable_plane = drm_primary_helper_disable, + .disable_plane = armada_drm_primary_disable, .destroy = drm_primary_helper_destroy, };